private static function download_error($message, $title = '', $status = 404)
{
if (!strstr($message, '<a ')) {
$message .= ' <a href="' . esc_url(wc_get_page_permalink('shop')) . '" class="wc-forward">' . __('Go to shop', 'woocommerce') . '</a>';
}
wp_die($message, $title, array('response' => $status));
}